Dev Builds » 20240209-1806

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:54:28 577404 4000 1481 599 1920 +77.89 ± 5.16 3 141 846 991 19 +161.07 ± 11.7
ncm-dbt-02 06:54:24 585502 4000 1457 604 1939 +75.25 ± 4.92 0 126 905 959 10 +156.18 ± 11.27
ncm-dbt-03 06:55:38 583578 4004 1446 625 1933 +72.26 ± 4.98 2 134 918 937 11 +149.51 ± 11.19
ncm-dbt-04 06:56:06 568319 3996 1475 627 1894 +74.87 ± 4.92 1 118 926 938 15 +154.46 ± 11.11
ncm-dbt-05 06:55:25 580472 4000 1480 613 1907 +76.52 ± 4.98 2 133 865 996 4 +160.85 ± 11.56
20000 7339 3068 9593 +75.35 ± 2.23 8 652 4460 4821 59 +156.39 ± 5.08

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419320 ncm-dbt-03 584243 4 1 1 2 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
419319 ncm-dbt-04 569310 496 169 72 255 +68.83 ± 13.33 0 14 123 111 0 +143.54 ± 30.36
419318 ncm-dbt-05 578671 500 188 70 242 +83.57 ± 13.87 0 14 105 130 1 +176.33 ± 33.3
419317 ncm-dbt-01 575232 500 175 83 242 +64.66 ± 14.39 0 21 118 109 2 +130.94 ± 31.35
419316 ncm-dbt-03 582903 500 188 89 223 +69.71 ± 13.44 0 15 121 114 0 +145.54 ± 30.73
419315 ncm-dbt-02 585379 500 176 69 255 +75.52 ± 13.79 0 15 114 120 1 +157.24 ± 31.83
419314 ncm-dbt-05 576292 500 185 85 230 +70.44 ± 13.32 0 14 122 114 0 +147.19 ± 30.53
419313 ncm-dbt-04 563314 500 197 89 214 +76.25 ± 13.96 0 16 111 122 1 +158.93 ± 32.34
419312 ncm-dbt-01 576864 500 192 64 244 +90.97 ± 15.05 1 15 93 137 4 +190.85 ± 35.52
419311 ncm-dbt-03 581777 500 182 74 244 +76.25 ± 13.51 0 13 117 119 1 +158.93 ± 31.27
419310 ncm-dbt-02 584832 500 180 77 243 +72.61 ± 14.41 0 19 111 118 2 +148.85 ± 32.4
419309 ncm-dbt-05 584285 500 181 74 245 +75.52 ± 13.94 0 16 112 121 1 +157.24 ± 32.18
419308 ncm-dbt-04 571551 500 176 84 240 +64.66 ± 13.69 0 17 125 107 1 +132.54 ± 30.2
419307 ncm-dbt-01 577438 500 186 76 238 +77.71 ± 14.72 1 18 102 128 1 +164.07 ± 33.88
419306 ncm-dbt-02 586520 500 187 77 236 +77.7 ± 13.71 0 14 113 122 1 +162.35 ± 31.95
419305 ncm-dbt-03 583782 500 175 85 240 +63.23 ± 14.61 0 22 119 106 3 +126.18 ± 31.22
419304 ncm-dbt-04 569310 500 185 65 250 +85.04 ± 14.05 0 14 104 130 2 +178.11 ± 33.48
419303 ncm-dbt-05 578712 500 184 71 245 +79.9 ± 14.36 0 18 102 129 1 +167.53 ± 33.88
419302 ncm-dbt-01 577356 500 186 68 246 +83.57 ± 14.6 0 19 95 135 1 +176.33 ± 35.12
419301 ncm-dbt-02 584369 500 194 68 238 +89.48 ± 13.69 0 11 104 133 2 +189.0 ± 33.39
419300 ncm-dbt-03 582819 500 185 83 232 +71.88 ± 14.25 0 17 117 113 3 +145.54 ± 31.41
419299 ncm-dbt-04 568156 500 185 89 226 +67.55 ± 14.23 1 17 118 113 1 +140.62 ± 31.28
419298 ncm-dbt-05 579785 500 190 76 234 +80.63 ± 14.66 0 20 97 132 1 +169.27 ± 34.75
419297 ncm-dbt-02 585337 500 174 88 238 +60.36 ± 14.62 0 25 115 109 1 +123.02 ± 31.84
419296 ncm-dbt-01 578712 500 188 69 243 +84.3 ± 14.33 0 16 101 131 2 +176.33 ± 34.04
419295 ncm-dbt-03 584958 500 180 59 261 +85.78 ± 14.79 0 18 96 133 3 +178.11 ± 34.94
419294 ncm-dbt-05 584117 500 197 79 224 +83.57 ± 14.45 1 16 97 136 0 +179.9 ± 34.76
419293 ncm-dbt-04 567165 500 176 79 245 +68.27 ± 13.39 0 13 129 106 2 +138.99 ± 29.43
419292 ncm-dbt-02 583740 500 180 76 244 +73.33 ± 13.86 0 15 118 115 2 +150.51 ± 31.19
419291 ncm-dbt-01 576660 500 189 85 226 +73.33 ± 14.15 0 17 114 117 2 +150.51 ± 31.88
419290 ncm-dbt-03 583950 500 188 81 231 +75.52 ± 13.49 1 10 121 117 1 +158.93 ± 30.54
419289 ncm-dbt-05 578013 500 182 76 242 +74.79 ± 13.91 1 14 113 122 0 +158.93 ± 31.99
419288 ncm-dbt-04 569749 500 190 69 241 +85.78 ± 14.36 0 14 105 127 4 +176.33 ± 33.3
419287 ncm-dbt-02 587622 500 189 73 238 +82.1 ± 13.68 0 14 106 130 0 +174.55 ± 33.13
419286 ncm-dbt-03 584579 500 170 78 252 +64.67 ± 14.67 1 22 111 116 0 +135.76 ± 32.43
419285 ncm-dbt-01 578877 500 188 78 234 +77.7 ± 14.44 0 15 115 115 5 +155.54 ± 31.67
419284 ncm-dbt-04 567997 500 197 80 223 +82.83 ± 14.14 0 13 111 122 4 +169.27 ± 32.25
419283 ncm-dbt-01 578095 500 177 76 247 +71.16 ± 14.92 1 20 108 119 2 +147.19 ± 32.89
419282 ncm-dbt-05 583908 500 173 82 245 +63.95 ± 14.09 0 21 117 112 0 +132.54 ± 31.5
419281 ncm-dbt-03 583196 500 177 75 248 +71.88 ± 13.81 0 17 114 119 0 +150.51 ± 31.88
419280 ncm-dbt-02 586223 500 177 76 247 +71.16 ± 13.34 0 13 124 112 1 +147.19 ± 30.18

Commit

Commit ID 15093d43c413a9af4b8adfe4d7031f822c58fbf2
Author gahtan-syarif
Date 2024-02-09 18:06:25 UTC
Simplify opponent movecount reduction This removes the reduction decrease that occured when the previous ply had a movecount greater than 7. Passed STC: https://tests.stockfishchess.org/tests/view/65c3f6dac865510db0283ef6 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 11968 W: 3205 L: 2953 D: 5810 Ptnml(0-2): 38, 1310, 3064, 1506, 66 Passed LTC: https://tests.stockfishchess.org/tests/view/65c42377c865510db0284217 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 35676 W: 9113 L: 8905 D: 17658 Ptnml(0-2): 22, 3893, 9802, 4097, 24 closes https://github.com/official-stockfish/Stockfish/pull/5040 Bench: 1148379
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